EPSG:7844 GDA2020
Système géographique en latitude et longitude, en usage : Australia - GDA. Datum, ellipsoïde et transformation vers WGS 84 ci-dessous.
| Code | EPSG:7844 |
|---|---|
| Nom | GDA2020 |
| Type | Système géographique |
| Zone d'usage |
Australia - GDA Australia including Lord Howe Island, Macquarie Island, Ashmore and Cartier Islands, Christmas Island, Cocos (Keeling) Islands, Norfolk Island. All onshore and offshore. |
| Emprise | O 93,41° · S -60,55° · E 173,34° · N -8,47° |
| Pays | Australie |
| Datum | Geocentric Datum of Australia 2020 |
| Ellipsoïde | GRS 1980 a = 6378137 m · 1/f = 298.257222101 |
| Unité | degree (Lat north, Lon east) |
| Transformation vers WGS 84 | GDA2020 to WGS 84 (2) (EPSG:8450) — précision 3 m |
| Usage | Geodesy, cadastre, engineering survey, topographic mapping. |
Définition proj4
+proj=longlat +ellps=GRS80 +towgs84=0,0,0 +no_defsÀ coller dans QGIS, proj4js, PostGIS (spatial_ref_sys) ou GDAL. +towgs84 porte la transformation EPSG vers WGS 84 ; le code officiel reste EPSG:7844.
WKT (format ESRI, contenu du .prj)
GEOGCS["GCS_GDA2020",DATUM["GDA2020",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]Autres systèmes — Australie
- EPSG:7845GDA2020 / GA LCC
- EPSG:7848GDA2020 / MGA zone 48
- EPSG:7849GDA2020 / MGA zone 49
- EPSG:7850GDA2020 / MGA zone 50
- EPSG:7851GDA2020 / MGA zone 51
- EPSG:7852GDA2020 / MGA zone 52
- EPSG:7853GDA2020 / MGA zone 53
- EPSG:7854GDA2020 / MGA zone 54
- EPSG:7855GDA2020 / MGA zone 55
- EPSG:7856GDA2020 / MGA zone 56
- EPSG:7857GDA2020 / MGA zone 57
- EPSG:7858GDA2020 / MGA zone 58
- EPSG:7899GDA2020 / Vicgrid
- EPSG:8013GDA2020 / ALB2020
- EPSG:8014GDA2020 / BIO2020
- EPSG:8015GDA2020 / BRO2020
- EPSG:8016GDA2020 / BCG2020
- EPSG:8017GDA2020 / CARN2020
Source : registre EPSG v11.022 (IOGP), via la base PROJ. Vérifiez toujours un code sur epsg.org avant un travail contractuel.